Boy, are The Real Housewives of New Jersey kids growing up fast. And the proof is in the fact that Melissa Gorga's daughter, Antonia, celebrated her 13th birthday over the weekend. The big celebration included lots of family time at the beach — and the Garden State mom reflecting on her little girl becoming a teenager.

"I can not believe she’s 13!!!" Melissa wrote on Instagram. "You all watched her transform with me from a sweet, adorable little girl into a beautiful young teenager. I’m so proud of who she is [and] the amazing heart she has. I LOVE YOU SO MUCH ANTONIA!! HAPPY BIRTHDAY MY GIRL."

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And, in case you were wondering, the birthday weekend looked like a blast and the cake looked delicious.

Checkout some Antonia throwbacks above — and below.

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